It was so long ago that I've forgotten most of it. I was impressed that it was based on evidence based literature. Here is a link to the training now https://carpentries.org/instructor-training/ I am disappointed that I don't see a reading list.
Unless it's changed since I was active, The Carpentries does not monetize content.
Unless it's changed since I was active, The Carpentries does not monetize content.